Learn the book’s central method before judging its policy conclusions. Reconstruct the broken-window comparison, distinguish visible spending from net benefit, and turn claims about barriers and capture into questions that can be examined.
Allow about 150 minutes for reading, learning and immediate practice. Multi-day exercises run alongside later lessons.
Learning objectives
Reconstruct the parable using a clear before-and-after comparison.
Separate an immediate recipient’s gain from an economy-wide welfare claim.
Identify the source’s normative aims and the evidence needed for causal claims.
Read before practising
Assigned source readings
The book text is the source. The lesson, invented cases and practice tasks are accompanying teaching material. Page numbers below refer to the downloadable full-book PDF, whose pagination can differ from the manuscript’s printed contents.
Source: The Lost Lesson: Economics After the Slogans. The supplied source text has not been rewritten.
Develop the argument
The lesson
Begin with the author’s governing argument
The preface expresses frustration with policies judged by attractive intentions and visible first effects. Its central demand is to count consequences over time and across groups. The spine statement expands that demand into an argument about competence, investment, trust, rules and entry into opportunity. It favours reforms that widen the path into productive activity and criticises policies it regards as rearranging claims without expanding what can be produced. These are the author’s positions. The course asks you to understand their mechanisms and assess their support, not to treat a forceful tone as proof.
The front matter also gives the project a moral aim: improving the prospects of people who are excluded or vulnerable. That aim does not by itself select one policy. People can share an aim while disagreeing about the causal model, distributional priorities or evidence. Keep three questions separate in your notebook: what outcome is valued, what mechanism is proposed, and what observations would support the prediction? The author’s biography supplies context, while the dedication and epigraph frame the work. None substitutes for answering those analytical questions.
Reconstruct both sides of the broken-window comparison
The introduction retells Bastiat’s shopkeeper example. A broken pane creates a visible repair payment, and the glazier receives income. The error is to conclude from that payment alone that destruction enriches the community. The comparison must include what the shopkeeper could have done if the pane had remained intact: retain the functioning window and use the resources for another valued purpose. Repair restores something lost. It does not make the initial destruction a free source of prosperity.
Write the comparison as two possible paths from the same starting conditions. In the intact-window path, the window remains and the budget can finance another purchase or saving decision. In the broken-window path, resources go to repair. The forgone alternative is not directly observed, so it must be specified honestly rather than assumed to be whatever best supports your conclusion. Avoid double counting: a payment is an expense to one party and income to another. The welfare comparison concerns the resources and opportunities lost or gained, not simply the sum of visible cheques.
Use the parable as a method, not a universal verdict
The source presents Bastiat, Hazlitt and Stigler as intellectual anchors. Its front footnote points to Bastiat’s distinction between seen and unseen effects. These references are reading leads within the supplied manuscript; this course does not claim to have independently checked every quotation or historical attribution. The introductory method is nevertheless clear enough to practise: identify the visible benefit, trace other consequences and ask how the rules shaped the situation. Later chapters examine those questions through incentives, incidence and institutions.
A careful learner also asks what the simple example leaves out. A real policy may address a genuine harm, use otherwise idle resources, protect a vulnerable group or change future capacity. Those possibilities do not erase opportunity cost; they change the comparison that must be made. Nor does identifying an unseen cost automatically settle the decision. Count relevant benefits by the same standard and state how they are valued. The course’s central discipline is a fair counterfactual: compare feasible alternatives under explicit assumptions, with uncertainty and distribution visible. A conclusion earns credit because the reasoning supports it, including when it qualifies or challenges the source.
Worked example · invented for this course
Original course example: repair spending and a training budget
A fictional workshop has an intact door and a budget of 100 teaching units for a training session. Accidental damage requires a repair costing all 100 units. Someone says the damage created prosperity because the repairer was paid.
Hold the starting conditions fixed: the workshop initially had a functioning door and the budget.
Compare the intact-door path, which permits the training, with the damaged-door path, which restores the door but forgoes that training.
Record the repairer’s income without counting the same payment again as a separate economy-wide gain.
State the assumption that the training was the best feasible alternative and examine whether repair consumed resources that had another use.
Conclude only what the comparison supports; it does not establish that every public spending proposal resembles accidental destruction.
What follows: A visible payment is insufficient to prove a net benefit. The comparison must include the lost asset, resources used and the best feasible alternative.
Train the skill
Practice and evidence
1. Draw the two paths
Reconstruct the introduction’s parable in a two-path account.
Deliverable: A 400-word comparison with the same starting position, final resources and forgone alternative.
Identify the visible payment and recipient.
Name the counterfactual and its uncertainty.
Check that transfers are not double counted as net gains.
Review criteria
Total available: 10 points
Counterfactual 4 points
Uses a common starting point and a feasible alternative.
Accounting 3 points
Separates payments, resources and welfare claims.
Scope 3 points
States what the example does and does not establish.
2. Separate aims from predictions
Choose six claims from the preface or spine statement and classify them.
Deliverable: A six-entry notebook separating values, mechanisms, empirical predictions and rhetoric.
Paraphrase the source fairly.
State the support required for each claim.
Include one possible observation that would challenge a prediction.
Review criteria
Total available: 10 points
Source understanding 3 points
Reconstructs claims without exaggeration.
Classification 4 points
Distinguishes values from causal or descriptive claims.
Testability 3 points
Specifies relevant evidence and a possible challenge.
Transfer the learning
What attractive first effect would you find hardest to question, and what comparison would help you examine it fairly?
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Formative self-check
Test your understanding
Choose an answer, then check your reasoning. These open practice questions show their explanations and do not count towards a secure examination or certificate. Nothing you enter is sent to a server.